refactor(app): rename agents route to sessions with improved list layout

packages/app/src/hooks/use-aggregated-agents.ts

@@ -74,6 +74,7 @@ export function useAggregatedAgents(options?: {
           attentionReason: agent.attentionReason,
           attentionTimestamp: agent.attentionTimestamp,
           archivedAt: agent.archivedAt,
+          createdAt: agent.createdAt,
           labels: agent.labels,
         };
         allAgents.push(nextAgent);

packages/app/src/hooks/use-all-agents-list.ts

@@ -31,6 +31,7 @@ function toAggregatedAgent(params: {
     attentionReason: source.attentionReason,
     attentionTimestamp: source.attentionTimestamp ?? null,
     archivedAt: source.archivedAt ?? null,
+    createdAt: source.createdAt,
     labels: source.labels,
   };
 }